<div class="chat">
	<div class="back">返回<span class="chatName"></span></div> 
	<div class="content"></div>
	<div class="send">
		<div class="input" contenteditable="true" ></div>
		<div class="sendBtn">
			<div class="close">关闭</div>
			<div class="btn">发送</div>
		</div>
	</div>
</div>
